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X38-ds4 . strange error

junpei

junpei

junpei

Associate
Joined
16 Sep 2005
Posts
86
Me and my friend have been having a rather strange problem with this board.

we overclocked our processors, timed our ram. everything ran nice.

but when we leave them off overnight and in the morning

first: they fail to POST
secondly: it reboots itself
thirdly: it puts the bios settings back to defaults
fouth: i put them back at the overclock and it works fine

any ideas?
 
wierd... I've got one myself with an E8400 etc. (check the sig.) and my overclocking testing has gone fine so far... After it resets the BIOS does it work again? Have you checked your voltages are all good.
 
yeah. i had my oc stable, i could reboot it no problems.

but when we leave it off over night or for more than about 5 hours. we get a fresh boot with the clocks disabled, its not completely reset though. just everything goes back to auto and we have to set manual. all our volt mods are still there.
 
Mine did something weird yesterday. I put it into 'Stand By' and left it. Came back an hour later and switched it on, but all it would do was power up for a few seconds, shut off, and then power up again and again. Odd.

What BIOS are you guys running? I'm just running the stock one because the newer version doesn't seem to change much.
 
im on F2 now, havent had the problem again yet. i have change some stuff now though. like my memory multiplier is now 2.0 instead of 2.66. i thought that might be the cause of my instability as my friend with the same problem also had his set at 2.66.

he got the error this morning when he booted up too, so i told him to re-adjust his clocks so its 2.0 and see if it happens again tmorrow
 
prime 95 all 4 cores for 5 hours
memtest ( 4 instances to cover all the ram ) for 2 hours

the thing is, we can reboot normally. turn it off for half an hour or so. but it seem more than about 6 hours, and it fails to post resets the bios and loads on second boot
 
I have the EXACT same problem. Both the BIOS reset, and the reboot after sleep issues. BIOS is F2. Otherwise this board is great. I've scoured the interweb and have yet to read any other reports of this issue on the X38-DS4. Any luck fixing it? Hopefully this is not a hardware issue as RMA'ing a board is a real hassle especially when it runs so nicely otherwise. Let's hope the next BIOS does the trick.
 
What FSB's are you guys running? What voltage for the RAM? What's your PCI-E frequency set to? You really need to list all your BIOS settings that you've changed as clearly when the system has cooled down it's not able to boot with the settings you have set.
 
I had this problem on mine and it is was caused by the RAM. Normaly a little boost on the NB & FSB voltage sorts this out. Also i found running the RAM at 800Mhz @ 4-4-4-12 @2.1v with a 400Mhz FSB (2x Mem Multi) was a no go and i had to lower the timings to 5-5-5-18.
 
Last edited:
CPU: E8400
BIOS: F2
FSB: 435 mhz
Multiplier: 9
CPU Voltage: 1.3125 V
RAM Voltage: 2.05 V
All other voltages stock
RAM Timings: 4-4-4-8 2T
Ratio: 1:1 (2.0B, 1333 strap)
PCI-E: 100mhz
CIA2: disabled
Perf. Enhance: standard
Loadline Calibration: Auto
EIST, C1E: disabled
Native SATA: enabled

Stability Testing at 9x435:
Orthos - Small FFTs, Blend: both 12hrs passed
OCCT 1.1.1b CPU&RAM: failed after 4hrs 49min (OCCT 60min=stable, right?)
SuperPi 32M & 3DMark06: no stability problems
MemTest for Windows = 500 percent coverage, no errors

I'd rather not take the latency hit by changing RAM to 5-5-5-18 when it seems quite stable at 4-4-4-8 870mhz. I don't really get the whole cold vs hot boot issue, especially considering I'm on air not water (TR SI-128SE with S-Flex 120mm@1600rpm) with moderate ambient temps (around 20C) Also my PSU is a brand new OCZ 700w GameXStream so I doubt it's power-related.

Another bug popped up yesterday. FSB got stuck--I set it to 435 in BIOS, with manual FSB override enabled of course. But it kept booting at 333mhz (both CPU-Z reported this, plus SuperPi1M results were in line with 9x333). It wasn't the BIOS just auto-resetting FSB, either--BIOS still said 9x435, with FSB override enabled, when I restarted several times. VCore and latency and all other settings except FSB were exactly what BIOS said. I just cleared CMOS and now it's fine. Still a weird problem nonetheless.
 
Well your RAM timings are very tight, I'd try loosening the 8 to a 15 at the least and you're only going to get a hit of a few percent if you slacken them off to 5-5-5-18 anyway but worth a try to see if that is what the issue is.
 
Welcome to the giganyte cold boot issue, thats also available in P35 flavour. Seriously though there is no solution on the P35 platform, and thats been out for ages. Have a look through the search and you will see countless threads.

Mine boots now (P35 DS4) with ram NOT in dual channel.
 
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